Biswas, J, S Bandyopadhyay, D Das, K K Mondal, I Saha, and B Ray. 2012. “A Study on Awareness about Eye Health Care and Eye Donation Among Secondary Level Students of North Kolkata, India”. Kathmandu University Medical Journal 8 (3):317-20. https://doi.org/10.3126/kumj.v8i3.6219.